<?php
/**
 * Created by PhpStorm.
 * User: TheLuther
 * Date: 2019/11/10
 * Time: 21:14
 */

namespace app\cms\model;

use think\Exception;
use think\Model;
use think\Db;
use think\Config;

class Cms extends model{
    protected static $instance;
    public static function instance($options = [])
    {
        if (is_null(self::$instance)) {
            self::$instance = new self($options);
        }
        return self::$instance;
    }


}